Packing.



S. M. JONES.

PACKING.

APPLIOATION HLBD JUNI: 13, 1908.

914,422. Patented Mar.9,19o9.

ya() g, Abomljned,

FFIE

SCOTT M. JONES, OF CHICAGO, ILLINOIS.

Panama.A

No. 914,42a.

Specification of Lettersflatent.

Patented March 9, 1909.

Application led .Tune 13, 1908. Serial No. l133,315.

To all whom 'it may concern:

Be it known that I, SCOTT M. J oNEs, a citizen of the United States, residin Jr at Chicago, county of Cook, and State of Iollinois, have invented certain new and useful Improvements in Packings, of which the following is a specification.

My invention relates to packing or gaskets for istons, valves, flanged pipe-joints, etc.

e object of my invention is to provide a device as mentioned, which will be adapted to form an ecient air and Water tight packing, and to provide a packing which is particularly adapted for use in pipes, pistons, etc. which are under great pressure.

A further object of m invention is to provide a packing which s iall be strong, durable, simple of construction, hence of low cost to manufacture.

Other objects will-appear hereinafter.

With these objects in view my invention consists generally in a suitable practically non-elastic but readily malleable metal core, covered or incased by a suitable elastic material possessing qualities which especially adapt 1t for use as an effective seal, said core and casing being adapted to be formed into any desired shape according to the specific use to which it 1s to be put.

My invention will be more readily under' stood by reference to the accom anymg drawings forming a part of this speci cation, and in which,

Figure 1 is a perspective view of my device in its preferred form, a portion of the outer elastic casing being broken away so as to eX- pose the core, Fig. 2 is a vertical section taken on the line x-x of Fig. 1, and Fig. 3 is a vertical section similar to Fig. 2 showing a modified form of my device.

Referring now to the drawings, 1 indicates a non-elastic readily malleable metal core preferably formed of copper wire although any suitable metal having properties as stated, such as lead, may be used. As shown in the drawings, the wire or core is preferably formed into a ring. In this case, the ends of the metal wire, when copper is used, are preferably electrically welded together, so as to facilitate making all parts or oints of the ring e ually as strong, and etter adapted to wit stand a great tensile strain, as is the case when pipes or pistons, etc. in which the packing in which 'said .wire cord is formed, is used are under high pressure. The

core 1 is preferably formed centrally in a flat tened washer-like ring 2, said ring being of ny suitable elastic material preferably ruber. formed integrally with and of the same material as the member 2 over the metal member l. Said coating 3 serves merely to hold the core 1 in place in the member 2 when applyin the device.

acking or gaskets in general use at the present time, are inefficient inasmuch as they are not susceptible to a high tensile strain, hence when they are under high pressure are not infre uently blown out. It is to eliminate this mefliciency that the wire or core is formed in the elastic sealing material, thus obviously adding to the tensile strength of said sealing material. A non-elastic but readily malleable metal core, such as copper or lead, is used because of its being adapted to be bent, iiattened or compressed into shapes corresponding to the seat or recess into which the packing is to be fitted, and thus in no way interfering, with the rubber or other elastic material used, in forming a close and eifective seal.

The modified form of my packing shown in Fig. 3 is practically the same as the form shown in Figs. l and 2, except that two wires or cores instead of one are formed in the member 2. Said form is to be used in pipes, pistons, etc. where the same are to be under exceedingly high pressure, conseqklliently'necessitating more strengthening of t e sealing material, hence the reason for forming two wires instead of one `in said sealing material. In the drawings, I have shown two wires or cores embedded in the sealing material, it is understood however, that any number may thus be formed in the same Without departing from the spirit of my invention.

Having described my invention what I claim as new, and desire to secure byLetters Patent, is:

1. A packing consisting of a fiat' annular rubber member and an endless ring of malleable metal partially embedded in one face of said rubber member and completely covered With rubber, substantially as described.

2. As an article of manufacture, a fiat, an-

nular, rubber gasket and an endless ring o f malleable metal partially embedded in one side of said gasket and extending above the fac-e thereof, substantially as described.

A thin ridge-like coating or casing 3 is name tothis specication in the presence of tWo subscribing Witnesses.

SCOTT M. JONES.

3. As an article of manufacture, a {iat} annular, rubber gasket and a'plurality of endless rings of malleable metal embedded therein, said rings being of different diame- 5 ters and arranged concentrieally, substan- Witnesses:

tially as described. JANET E. HOGAN, In testimony whereof I have signed my HELEN F. LILLIs. 

